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146 lines
4.1 KiB
146 lines
4.1 KiB
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="utf-8">
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<title>JSDoc: Source: module/routing.js</title>
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<script src="scripts/prettify/prettify.js"> </script>
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<!--[if lt IE 9]>
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</head>
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<body>
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<div id="main">
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<h1 class="page-title">Source: module/routing.js</h1>
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<section>
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<article>
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<pre class="prettyprint source linenums"><code>/** @module routing */
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/**
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* A bare-bones history-api based SPA router.
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*/
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class Router {
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/**
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* Arguments for the current route.
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* @type {undefined|*}
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*/
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route_args = undefined
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/**
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* List of callback functions listening for route changes.
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* @type {function[]}
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*/
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subscribers = []
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/**
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* Array of router history records.
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* @type {object[]}
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*/
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history = []
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/**
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* Returns the APP_BASE_PATH of the application.
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* @return {string}
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*/
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get base_path() {
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return APP_BASE_PATH
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}
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/**
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* Navigate the app to the given path with the given args.
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* @param {string} path
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* @param {*} args
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*/
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navigate(path, args) {
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this.route_args = args
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this.history.push({path, args})
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window.history.pushState({}, path, this.build_url(path))
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this.subscribers.forEach(sub => sub(path, args))
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}
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/**
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* Navigate back one route.
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*/
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back() {
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window.history.back()
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if ( this.history.length < 2 ) return;
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this.history.pop()
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const { path, args } = this.history[this.history.length - 1]
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this.subscribers.forEach(sub => sub(path, args))
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}
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/**
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* Subscribe to listen for route changes. Returns an object with an unsubscribe() property.
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* @param {function} handler - callback called when the route changes
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* @return {object} - subscription manager
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*/
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subscribe(handler) {
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if ( !this.subscribers.includes(handler) ) {
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this.subscribers.push(handler)
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}
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return {
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unsubscribe: () => {
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this.subscribers = this.subscribers.filter(handler)
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}
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}
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}
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/**
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* Given an array of route parts, build a joined URL route.
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* @param {...string} parts
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* @return {string}
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*/
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build_url(...parts) {
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parts = [this.base_path, ...parts].map(part => {
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if ( part.endsWith('/') ) part = part.slice(0, -1)
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if ( part.startsWith('/') ) part = part.slice(1)
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return part
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})
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return parts.join('/')
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}
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}
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/**
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* Global router instance.
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* @type {Router}
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*/
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const router = new Router()
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export { router }
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</code></pre>
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</article>
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</section>
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</div>
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<nav>
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<h2><a href="index.html">Home</a></h2><h3>Modules</h3><ul><li><a href="module-routing.html">routing</a></li><li><a href="module-util.html">util</a></li></ul><h3>Classes</h3><ul><li><a href="AddPlayersComponent.html">AddPlayersComponent</a></li><li><a href="DraftBoardComponent.html">DraftBoardComponent</a></li><li><a href="GridActionButtonComponent.html">GridActionButtonComponent</a></li><li><a href="GridComponent.html">GridComponent</a></li><li><a href="LeagueComponent.html">LeagueComponent</a></li><li><a href="LinkComponent.html">LinkComponent</a></li><li><a href="module-routing-Router.html">Router</a></li><li><a href="MyTeamComponent.html">MyTeamComponent</a></li><li><a href="ScoresComponent.html">ScoresComponent</a></li><li><a href="TopLevelComponent.html">TopLevelComponent</a></li></ul><h3>Global</h3><ul><li><a href="global.html#GridCellRenderType">GridCellRenderType</a></li></ul>
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</nav>
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<footer>
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Documentation generated by <a href="https://github.com/jsdoc/jsdoc">JSDoc 3.6.5</a> on Sun Oct 25 2020 12:32:18 GMT-0500 (Central Daylight Time)
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